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13013112132 = 2233235238773
BaseRepresentation
bin11000001111010010…
…00101010101000100
31020120220110120221000
430013221011111010
5203122324042012
65551140053300
7640322425266
oct140751052504
936526416830
1013013112132
115578620829
122632094230
1312c5012c67
148b63bdb36
15512691ddc
hex307a45544

13013112132 has 48 divisors (see below), whose sum is σ = 35204561280. Its totient is φ = 4149107424.

The previous prime is 13013112131. The next prime is 13013112143. The reversal of 13013112132 is 23121131031.

13013112132 is a `hidden beast` number, since 1 + 301 + 311 + 21 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13013112131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616903 + ... + 2621870.

It is an arithmetic number, because the mean of its divisors is an integer number (733428360).

Almost surely, 213013112132 is an apocalyptic number.

13013112132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13013112132 is an abundant number, since it is smaller than the sum of its proper divisors (22191449148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013112132 is a wasteful number, since it uses less digits than its factorization.

13013112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238809 (or 5238801 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13013112132 its reverse (23121131031), we get a palindrome (36134243163).

The spelling of 13013112132 in words is "thirteen billion, thirteen million, one hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 2484 5238773 10477546 15716319 20955092 31432638 47148957 62865276 94297914 120491779 141446871 188595828 240983558 282893742 361475337 481967116 565787484 722950674 1084426011 1445901348 2168852022 3253278033 4337704044 6506556066 13013112132